Thirroul vs Wallarah
Property investment comparison - Thirroul, NSW 2515 vs Wallarah, NSW 2259
Head-to-head across core investment metrics: Thirroul wins 1, Wallarah wins 2. The better choice depends on whether you're optimising for cash flow, growth, affordability, or liquidity, the table below highlights the winner on each metric.
| Metric | Thirroul | Wallarah |
|---|---|---|
| Median house price | $1.9M | $1.9M |
| Median unit price | $1.2M | $580K |
| Gross rental yield (houses) | 3.10% | 1.96% |
| Gross rental yield (units) | - | 5.04% |
| 1-year house growth | +4.5% | - |
| 3-year house growth | +8.3% | - |
| Vacancy rate | 1.6% | 1.1% |
| Population | 6,348 | 344 |
Thirroul vs Wallarah: what the numbers say
Houses cost about the same in both suburbs: the median house price is $1.9M in Thirroul and $1.9M in Wallarah.
For units, Thirroul sits at a median of $1.2M against $580K in Wallarah, which makes Wallarah the more affordable unit market and Thirroul the pricier one.
On cash flow, Thirroul leads: houses there return a gross rental yield of 3.10%, compared with 1.96% in Wallarah, a gap of 1.14 percentage points.
Rental vacancy is 1.1% in Wallarah and 1.6% in Thirroul, so landlords in Wallarah face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.
Thirroul is the bigger suburb, with a population of 6,348 against 344, roughly 18 times the size of Wallarah; a larger suburb usually means a deeper pool of buyers and tenants.
In short: Thirroul for rental income, Wallarah for the tighter rental market. Which matters more depends on whether the investor is buying for cash flow, capital growth or affordability.
Keep exploring
- National investment guide - top suburbs across every metric
- Take the suburb finder quiz - 5 questions to match your goals
- How our investment score works
- Property investment glossary - every term defined
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